Abstract: | Summary A 11-year-old child diagnosed as chronic tonsillitis and adenoid hypertrophy underwent adeno-ton- sillectomy under general anesthesia . After surgery, patient complained with abdominal discomfort,paleness and vomiting,which presented as the old black contents. Complete blood count showed: 45.2 g/L, hemoglobin of red blood cells 2.57 X 10^12/L, An emergency gastroscopy confirmed gastric ulcer with hemorrage. Hemorrage was controlled and complete blood count results restored to normal after supportive therapy. Gastric ulcer completely recovered two weeks after discharge. |